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WARNING: These 9 Sony memory cards might corrupt your files

WARNING: These 9 Sony memory cards might corrupt your files
(Image credit: Sony)

Sony has issued a product advisory warning for nine of its SD memory cards, across three different product lines, that might damage your data. 

The affected cards, listed below, are at risk of corrupting your files when recording video, according to Sony: 

SF-M Series
SF-M64
SF-M128
SF-M256
(Applicable cards can be identified by the presence of V60, R:277MB/s, and W:150MB/s on the card frontside.)

SF-M Series Tough Specification
SF-M64T
SF-M128T
SF-M256T

SF-G Series Tough Specification
SF-G32T
SF-G64T
SF-G128T

Accordingly, Sony US is offering to replacement any affected memory cards (subject to limited warranty) free of charge for the next 21 months, from 11 June 2020 to 31 March 2022. 

 Read more: Best memory cards (opens in new tab)

Full details of the issue (along with helpful diagrams to quickly identify affected cards) and the replacement program are available on the Sony support post, the text of which is below: 

The affected cards span the SF-M Series, SF-M Series Tough and SF-G Series Tough product lines

The affected cards span the SF-M Series, SF-M Series Tough and SF-G Series Tough product lines (Image credit: Sony)

Regarding SD memory cards of SF-M series, SF-M series TOUGH specification, and SF-G series TOUGH specification, recorded data on the card may be damaged or data may not be recorded correctly when shooting video on a camera* in video speed class mode.
* The camera compatible with video speed class V60/V90 etc. as recommended recording media.

We are offering free replacements for affected SD memory cards from June 11, 2020, through Mar. 31, 2022, subject to the limited warranty that accompanied the SD memory card. Please see below to determine if you have an affected SD memory card and call us at 239-768-7669 to arrange for your card replacement.

IMPORTANT PLEASE NOTE AND FOLLOW THESE INSTRUCTIONS:

We apologize for any inconvenience this may cause and thank you for your understanding and cooperation.

As a result of the ongoing COVID-19 situation, some of our services may be impacted. We will try to minimize this, but delays may occur. We seek your kind understanding during this challenging period.

How to check if your Memory Card is Affected

Applicable cards can be identified by the presence of V60R:277MB/s, and W:150MB/s on the card frontside. To check whether your card is affected, look for a star mark on the lower left corner on the back of the card. If your card has NO star mark, your card is affected by this issue.

To check whether your card is affected, look for a star mark on the lower left corner on the back of the card. If your card has NO star mark, your card is affected by this issue.

To check whether your card is affected, look for a star mark and an alphanumeric on the lower corner on the back of the card.

If your card has NO star mark and has an alphanumeric beginning with TV, your card is affected by this issue. (If your card has an alphanumeric beginning with TR, your card is not affected by this issue.)

Read more: 

Best memory card for your camera in 2020: top SD, microSD, XQD & CF cards (opens in new tab)
The best memory card readers (opens in new tab): transfer images and video to your computer fast
SD card deals (opens in new tab): SDHC & SDXC memory card best buys for your camera
What actually happens when you format a memory card? (opens in new tab)

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The editor of Digital Camera World, James has 21 years experience as a magazine and web journalist and started working in the photographic industry in 2014 (as an assistant to Damian McGillicuddy, who succeeded David Bailey as Principal Photographer for Olympus). In this time he shot for clients as diverse as Aston Martin Racing, Elinchrom and L'Oréal, in addition to shooting campaigns and product testing for Olympus, and providing training for professionals. This has led him to being a go-to expert for camera and lens reviews, photographic and lighting tutorials, as well as industry analysis, news and rumors for publications such as Digital Camera Magazine (opens in new tab)PhotoPlus: The Canon Magazine (opens in new tab)N-Photo: The Nikon Magazine (opens in new tab)Digital Photographer (opens in new tab) and Professional Imagemaker, as well as hosting workshops and demonstrations at The Photography Show (opens in new tab). An Olympus and Canon shooter, he has a wealth of knowledge on cameras of all makes – and a fondness for vintage lenses and instant cameras.